238374919 has 2 divisors, whose sum is σ = 238374920. Its totient is φ = 238374918.

The previous prime is 238374911. The next prime is 238374947. The reversal of 238374919 is 919473832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238374919 - 2³ = 238374911 is a prime.

It is a super-2 number, since 2×238374919² = 113645204016513122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238374911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119187459 + 119187460.

It is an arithmetic number, because the mean of its divisors is an integer number (119187460).

Almost surely, 2^238374919 is an apocalyptic number.

238374919 is a deficient number, since it is larger than the sum of its proper divisors (1).

238374919 is an equidigital number, since it uses as much as digits as its factorization.

238374919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 238374919 is about 15439.3950334850. The cubic root of 238374919 is about 620.0406832478.

The spelling of 238374919 in words is "two hundred thirty-eight million, three hundred seventy-four thousand, nine hundred nineteen".